Blood pump with filter
AssigneeAbiomed Europe GmbH
InventorsThorsten Siess, Walid Aboulhosn, Christoph Nix
Life of this patent
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Abstract
The invention relates to an intravascular blood pump. The blood pump comprises a pump section having a proximal portion with a blood flow inlet and a distal portion with a blood flow outlet and an impeller for causing blood to flow into the blood flow inlet and towards the blood flow outlet. The blood pump further comprises at least one filter connected to the proximal portion of the pump section and arranged with respect to the blood flow inlet so as to filter the blood before it enters the blood flow inlet. The filter may comprise an expandable mesh structure made of a shape-memory material.
Claims20
An intravascular blood pump for percutaneous insertion into a patient's blood vessel, the intravascular blood pump comprising:
- a pump section comprising:
- a proximal portion having a blood flow inlet;
- a distal portion having a blood flow outlet;
- an impeller for causing blood to flow into the blood flow inlet and towards the blood flow outlet;
- and
- a recessed portion formed in an exterior of the pump section, the recessed portion configured to receive a removable filter for filtering blood entering the blood flow inlet, wherein the blood flow inlet is formed in the recessed portion.
An intravascular blood pump for percutaneous insertion into a patient's blood vessel, the intravascular blood pump comprising:
- a pump section comprising:
- a proximal portion having a blood flow inlet;
- a distal portion having a blood flow outlet;
- an impeller for causing blood to flow into the blood flow inlet and towards the blood flow outlet;
- and
- a shoulder formed on the pump section such that, when a filter for filtering blood entering the blood flow inlet is received on the pump section and covers the blood flow inlet, the filter abuts the shoulder.
Dependencies are inferred from the claim text.